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Finding the Fourth Proportional to 177,462.90, 245,009.34 and 112,968.54

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Solution

The fourth proportional to 177,462.90, 245,009.34 and 112,968.54 is: 155,966.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,462.90 : 245,009.34 = 112,968.54 : x
  2. Step 2: Convert to fraction form
    177,462.90/245,009.34 = 112,968.54/x
  3. Step 3: Cross multiply
    177,462.90x = 245,009.34 × 112,968.54
  4. Step 4: Simplify right side
    177,462.90x = 27,678,347,426.16
  5. Step 5: Solve for x
    x = 27,678,347,426.16/177,462.90
  6. Step 6: Final answer
    x = 155,966.95

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.